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Tech Tips - Braking for Safety

-as seen in The Pulse Newsletter, May 2017-

The Sled Chain 

All pullers hook their tractor to a chain on the pulling sled. The length of the this chain will effect the way your tractor pulls the sled.

 

Make a note of the length of the chain when you pull, especially if your weights are correct. The next sled you pull may have a different length chain, which will change the way your tractor is balanced. Of course, other factors, like track conditions and sled weight will effect your pulling ability.

 

Keep these facts in mind when you prepare your tractor for a pull:

  • National Quarter Scale runs a 3 foot chain

  • Longer chains do not pull the front of the sled up as much as shorter chains

  • Short chains put more weight on the rear tires of your tractor

 

One of the most important things to consider, is actually a rule:

Once the sled chain hooked to your tractor, the chain can NOT touch any part of your tractor, or wheelie bars, or weights. The chain should clear everything on your tractor to be legal.


  Note: To ensure you comply with this setup, check it - by simply taking a yardstick and laying one end on the ground...then lay the other end of the yardstick on top of your tractor’s hitch. The yardstick should clear everything to be legal.

The picture below depicts a proper chain hookup.
Notice that the chain clears all tractor parts, including weights & wheelie bars.

If you have questions about how your tractor hooks to the sled, ask the sled-operator or any track official.